Module development and code questions

Hello everybody,

I have implemented a content type using configuration export and adding it in a module. So whenever a user installs the module, the content type is created along with the its fields.

What happens if I want to add a new field? If I add a new field to the configuration, it will not be created in the DB until the module is uninstalled and re-installed. How can I add the field in the DB without having to uninstall/re-install?

Thank you in advance for your time.

Hey, everybody, I'm new in Drupal. I'm working with version 8 and I've created a form, which when it sends, datas are sent to RESTAPI with remote url handler, and afterword it shows a modal with thank you message. I'm trying to show in the modal window the data that has been sent it in the form but I can't find a way to do it. Can you give me some guidance? Thank you 

I want to write a custom module that:

Gets the node title that is printed out by a custom view and then passes it inside a json object to a template which prints out the title.

e.g: http://my-drupal-site/my-custom-view/12 prints out the title of the node with node id 12, e.g. "Delish Fish Dish"

I am currently porting the amazon_pa module to drupal 8: https://www.drupal.org/project/amazon_pa

The widget has a custom setting called locale. Meaning it is a select box here: /admin/structure/types/manage/article/fields/node.article.field_amz/storage

I am not able to save the vale i input there. So what one has to do that the form element $element['locale'] is actually saved and can be retrived late?

Thank you very much.

Here is the code I have so far in my custom module:

/* Only show certain admin links based on user role */

function cms_tweaks_tt_content() {

global $user;

if (in_array('tt_content', array_values($user->roles))) { echo '<script type="text/javascript">' . 'document.getElementbyID("tt_content").style["display"] = "block";' . '</script>';

} else {

Hi,

I have two forms displayed on a custom page. Both the forms are displayed in Blocks, like this:

https://imgur.com/a/CrOHgyM

After the submit button is clicked, each form adds a parameter to the url, so that it could be retrieved in the Controller code. Both forms are also redirected to the Custom page after submit.